./dov4l -q -d /dev/video0
Canonical name for this interface: BT848A( *** UNKNOWN/GENERIC **)
Type of interface:
Can capture to memory
Has a tuner of some form
Can overlay its image onto the frame buffer
Overlay clipping is supported
Overlay overwrites frame buffer memory
The hardware supports image scaling
Number of radio/tv channels if appropriate: 4
Number of audio devices if appropriate: 1
Maximum capture width in pixels: 768
Maximum capture height in pixels: 480
Minimum capture width in pixels: 48
Minimum capture height in pixels: 32
Image size (x,y): 640, 480
The channel number: 0
The input name: Television
Number of tuners for this input: 1
Channel has tuners
Channel has audios
The input is a TV input
The norm for this channel: 1
Number of the tuner: 0
Canonical name for this tuner: Television
Lowest tunable frequency: 0
Highest tunable frequency: -1
Current frequency: 4095MHz
Flags describing the tuner:
PAL tuning is supported
NTSC tuning is supported
SECAM tuning is supported
Frequency is in a higher range (tuning frequencies are in 1/16th MHz)
The video signal mode if relevant:
The tuner is in NTSC mode
The tuner auto switches, or mode does not apply
Signal strength if known: 65535
The channel number: 1
The input name: Composite1
Number of tuners for this input: 0
Channel has audios
The input is a camera
The norm for this channel: 1
The channel number: 2
The input name: S-Video
Number of tuners for this input: 0
Channel has audios
The input is a camera
The norm for this channel: 1
The channel number: 3
The input name: Composite3
Number of tuners for this input: 0
Channel has audios
The input is a camera
The norm for this channel: 1
Brightness: 36890
Hue: 28222
Colour: 32512
Contrast: 31019
Whiteness: 0
Depth: 16
Palette: RGB565 packed into 16 bit words.